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| Polyalthia chalermglinii P.Bunchalee & D.M.Johnson, in Bunchalee, Johnson, et al, 2021. photo: Nares Sukkrin |
Abstract
Three new species of Polyalthia are described and illustrated. Two of the new species are part of the Polyalthia evecta species complex, while the third species belongs to a species group including P. cinnamomea and P. stenopetala.
Keywords: Magnoliids, endemism, flora of Thailand, flora of Southeast Asia, Miliuseae
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| Polyalthia chalermglinii P.Bunchalee & D.M.Johnson photo: Nares Sukkrin |
Polyalthia chalermglinii P.Bunchalee & D.M.Johnson, sp. nov.
Ecology:— Endemic to peninsular Thailand in tropical rain forest at 950–1000 m.
Etymology:—Named in honour of Piya Chalermglin, Thai botanist, horticulturalist and expert on Annonaceae, who assisted in the discovery of this species.
Local name:—Thai: tong laeng khao luang (ต้องแล่งเขาหลวง).
Polyalthia chantaranothaii P.Bunchalee & Chalermglin, sp. nov.
Ecology:—Scattered along streams and waterfalls in mixed deciduous forest or dry evergreen forest at 200–850 m.
Etymology:—In honour of Pranom Chantaranothai, Thai professor of botany and benefactor of many plant taxonomists, who assisted the first author in analyzing the morphology of this species.
Local name:—Thai: tong laeng doi (ต้องแล่งดอย);
nom noi (นมน้อย) (Phitsanulok).
Polyalthia chayamaritana P.Bunchalee & N.A.Murray, sp. nov.
Ecology:—Known only from moist mountain slopes in dry evergreen forest at 250–375 m.
Etymology:—In honour of Kongkanda Chayamarit, expert on the Thai flora and executive editor of the Flora of Thailand project.
Local name:—Thai: thon ammarit (ต้นอัมฤทธิ์).
Pasakorn Bunchalee, David M. Johnson, Nancy A. Murray and Piya Chalermglin. 2021. Three New Species of Polyalthia (Annonaceae) from Thailand and Laos. Phytotaxa. 512(4); 272–282. DOI: 10.11646/phytotaxa.512.4.3
